7. The following information shall be shown on each label—
(a)in space (1)—
(i)where the substance is specified in the approved list or the UN list, the substance identification number of that substance, except that the chemical name. an accepted common name or the trade name of the substance may also be included, or
(ii)where the substance is not specified in the approved list or the UN list, the chemical name, an accepted common name or the trade name of the substance;
(b)in space (Z)—
(i)where the substance is specified in the approved list or the UN list, the hazard warning sign for the classification of that substance,
(ii)where the substance is not specified in the approved list or the UN list, the hazard warning sign specified in column 3 of Part I of Schedule 1 of the most hazardous of the characteristic properties of the substance;
(c)where all the substances being carried have the same classification. space (2). if included in the label, may be left blank.